Image matching using subspace-based discrete transform encoded local binary patterns

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United States of America Patent

PATENT NO 9171226
APP PUB NO 20140212044A1
SERIAL NO

14038167

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Abstract

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Determining a match between the subjects of first and second images as a function of decimal-number representations of regions of the first and second images. The decimal-number representations are generated by performing discrete transforms on the regions so as to obtain discrete-transform coefficients, performing local-bit-pattern encoding of the coefficients to create data streams, and converting the data streams to decimal numbers. In one embodiment, the first and second images depict periocular facial regions, and the disclosed techniques can be used for face recognition, even where a small portion of a person's face is captured in an image. Subspace modeling may be used to improve accuracy.

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Patent Owner(s)

  • CARNEGIE MELLON UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Juefei-Xu, Felix Pittsburgh, US 2 9
Savvides, Marios Pittsburgh, US 59 664

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